Tools & Wizards About Us
irs.treasury.gov screenshot

Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 47% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 96

    SEO

    Google-friendlier than
    90% of websites

irs.treasury.gov

Internal Revenue Service | An official website of the United States government

Page Load Speed

1.4 sec in total

First Response

50 ms

Resources Loaded

1.2 sec

Page Rendered

166 ms

irs.treasury.gov screenshot

About Website

Click here to check amazing Irs Treasury content for United States. Otherwise, check out these important facts you probably never knew about irs.treasury.gov

Pay your taxes. Get your refund status. Find IRS forms and answers to tax questions. We help you understand and meet your federal tax responsibilities.

Visit irs.treasury.gov

Key Findings

We analyzed Irs.treasury.gov page load time and found that the first response time was 50 ms and then it took 1.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

irs.treasury.gov performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

58/100

10%

LCP (Largest Contentful Paint)

Value14.0 s

0/100

25%

SI (Speed Index)

Value10.9 s

6/100

10%

TBT (Total Blocking Time)

Value6,350 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.117

85/100

15%

TTI (Time to Interactive)

Value25.6 s

0/100

10%

Network Requests Diagram

www.irs.gov

50 ms

css_yGx7YO-E94GsjtxdyAMiGY4_uBWouB2RNP1kza80qLI.css

108 ms

css_tVnrZV-8ROZCMT5pKLrAEzbNgi6hR8UgmMcjOICoJ-A.css

49 ms

css_NrT43_PR_gY_Y5cj9lVDQZz00uG5Q5uCKXDV0ePtipM.css

85 ms

js_hS1VPzzwcnYDRXtlJPoRLwsCXm21arzwnNnryS7zczU.js

42 ms

Our browser made a total of 69 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Irs.treasury.gov, 12% (8 requests) were made to Youtube.com and 6% (4 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (341 ms) relates to the external source Irs.gov.

Page Optimization Overview & Recommendations

Page size can be reduced by 970.5 kB (46%)

Content Size

2.1 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Irs.treasury.gov main page is 2.1 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. Only a small number of websites need less resources to load. Javascripts take 710.6 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 110.0 kB

  • Original 127.8 kB
  • After minification 101.1 kB
  • After compression 17.8 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. This page needs HTML code to be minified as it can gain 26.7 kB, which is 21% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 110.0 kB or 86% of the original size.

Image Optimization

-2%

Potential reduce by 11.3 kB

  • Original 626.3 kB
  • After minification 615.0 kB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Irs Treasury images are well optimized though.

JavaScript Optimization

-48%

Potential reduce by 337.6 kB

  • Original 710.6 kB
  • After minification 709.9 kB
  • After compression 373.0 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 337.6 kB or 48% of the original size.

CSS Optimization

-79%

Potential reduce by 511.5 kB

  • Original 651.0 kB
  • After minification 650.4 kB
  • After compression 139.5 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Irs.treasury.gov needs all CSS files to be minified and compressed as it can save up to 511.5 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 27 (45%)

Requests Now

60

After Optimization

33

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 60 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Irs Treasury. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.irs.gov

www.irs.gov

50 ms

css_yGx7YO-E94GsjtxdyAMiGY4_uBWouB2RNP1kza80qLI.css

css_yGx7YO-E94GsjtxdyAMiGY4_uBWouB2RNP1kza80qLI.css

108 ms

css_tVnrZV-8ROZCMT5pKLrAEzbNgi6hR8UgmMcjOICoJ-A.css

css_tVnrZV-8ROZCMT5pKLrAEzbNgi6hR8UgmMcjOICoJ-A.css

49 ms

css_NrT43_PR_gY_Y5cj9lVDQZz00uG5Q5uCKXDV0ePtipM.css

css_NrT43_PR_gY_Y5cj9lVDQZz00uG5Q5uCKXDV0ePtipM.css

85 ms

js_hS1VPzzwcnYDRXtlJPoRLwsCXm21arzwnNnryS7zczU.js

js_hS1VPzzwcnYDRXtlJPoRLwsCXm21arzwnNnryS7zczU.js

42 ms

jquery.min.js

jquery.min.js

28 ms

autotracker.js

autotracker.js

26 ms

js_BEYZ_twHjQB7eviTsLcfbnbZ0q570oD_RInIAPoEJKA.js

js_BEYZ_twHjQB7eviTsLcfbnbZ0q570oD_RInIAPoEJKA.js

78 ms

page.js

page.js

39 ms

js_zJfPEuHa0ws9_ec6xNe7p4GCQuZi37ppUPEuQ36rzAM.js

js_zJfPEuHa0ws9_ec6xNe7p4GCQuZi37ppUPEuQ36rzAM.js

206 ms

gtm.js

gtm.js

76 ms

gtag.js

gtag.js

76 ms

js_d0L2lrwe4iD42X33VPTFuRH3lnajqzd6F7pdv5ZMA3o.js

js_d0L2lrwe4iD42X33VPTFuRH3lnajqzd6F7pdv5ZMA3o.js

78 ms

google-analytics.js

google-analytics.js

93 ms

height.js

height.js

89 ms

https.js

https.js

89 ms

federated-analytics.js

federated-analytics.js

95 ms

YVPKX-K5D8K-83D3W-U8X45-X3FTN

YVPKX-K5D8K-83D3W-U8X45-X3FTN

126 ms

0F4EGJbsDLc

0F4EGJbsDLc

98 ms

iframe_api

iframe_api

192 ms

official-site-flag.png

official-site-flag.png

59 ms

IRS-Logo.svg

IRS-Logo.svg

57 ms

logo-print.svg

logo-print.svg

159 ms

Icon-Search.png

Icon-Search.png

158 ms

DUT-homepage-tools.jpg

DUT-homepage-tools.jpg

132 ms

OLA-desktop-250-208.png

OLA-desktop-250-208.png

131 ms

homepage-tools-free-file-laptop.png

homepage-tools-free-file-laptop.png

153 ms

1205-Where%27sMyRefund_Desktop-250-208.png

1205-Where%27sMyRefund_Desktop-250-208.png

157 ms

tas-home-page-card-2024.png

tas-home-page-card-2024.png

157 ms

DirectPay_Mobile-250-208.png

DirectPay_Mobile-250-208.png

156 ms

1205-GetTranscript_laptop-250-208.png

1205-GetTranscript_laptop-250-208.png

168 ms

homepage-tools-ippin-laptop.png

homepage-tools-ippin-laptop.png

192 ms

homepage-tools-twe2023.png

homepage-tools-twe2023.png

194 ms

homepage-tools-TAC-locator.png

homepage-tools-TAC-locator.png

227 ms

homepage-news-freefile-thumbsup.jpg

homepage-news-freefile-thumbsup.jpg

195 ms

thinkstockphotos-1059273701.jpg

thinkstockphotos-1059273701.jpg

193 ms

erc-homepage_2.jpg

erc-homepage_2.jpg

191 ms

dmaf-hp-photo.png

dmaf-hp-photo.png

196 ms

ira-sop-with-logo-homepage.png

ira-sop-with-logo-homepage.png

223 ms

clean-tax-credit-homepage.jpg

clean-tax-credit-homepage.jpg

224 ms

homepage-news-special-filing-250-208_0.png

homepage-news-special-filing-250-208_0.png

225 ms

pen-calc-return-250-208.jpg

pen-calc-return-250-208.jpg

224 ms

Twitter-EN.jpg

Twitter-EN.jpg

341 ms

sourcesanspro-regular-webfont.woff

sourcesanspro-regular-webfont.woff

256 ms

sourcesanspro-light.woff

sourcesanspro-light.woff

232 ms

sourcesanspro-extralight.woff

sourcesanspro-extralight.woff

341 ms

sourcesanspro-bold-webfont.woff

sourcesanspro-bold-webfont.woff

255 ms

fa5-hands-helping.png

fa5-hands-helping.png

240 ms

fa5-book.png

fa5-book.png

320 ms

sm.25.html

sm.25.html

46 ms

eso.BRQnzO8v.js

eso.BRQnzO8v.js

146 ms

analytics.js

analytics.js

151 ms

0F4EGJbsDLc

0F4EGJbsDLc

96 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

177 ms

config.json

config.json

175 ms

www-widgetapi.js

www-widgetapi.js

25 ms

linkid.js

linkid.js

18 ms

collect

collect

21 ms

collect

collect

106 ms

www-player.css

www-player.css

33 ms

www-embed-player.js

www-embed-player.js

57 ms

base.js

base.js

120 ms

css_T8ofK0pKYXA4NovPG30y9UclVp7c-yNIGGfLdWLGdFY.css

css_T8ofK0pKYXA4NovPG30y9UclVp7c-yNIGGfLdWLGdFY.css

51 ms

ad_status.js

ad_status.js

186 ms

YjCNJ0mFj9HiCkQt39lQVpZzkP0G8dlYH-ABayRLdFs.js

YjCNJ0mFj9HiCkQt39lQVpZzkP0G8dlYH-ABayRLdFs.js

155 ms

embed.js

embed.js

36 ms

id

id

57 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

78 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

79 ms

Accessibility Review

irs.treasury.gov accessibility score

79

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

[aria-*] attributes do not have valid values

High

ARIA IDs are not unique

Best Practices

irs.treasury.gov best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

irs.treasury.gov SEO score

96

Search Engine Optimization Advices

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Irs.treasury.gov can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Irs.treasury.gov main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

irs.treasury.gov

Open Graph description is not detected on the main page of Irs Treasury. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: